///*
// * Copyright 1999-2019 Alibaba Group Holding Ltd.
// *
// * Licensed under the Apache License, Version 2.0 (the "License");
// * you may not use this file except in compliance with the License.
// * You may obtain a copy of the License at
// *
// *      https://www.apache.org/licenses/LICENSE-2.0
// *
// * Unless required by applicable law or agreed to in writing, software
// * distributed under the License is distributed on an "AS IS" BASIS,
// * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// * See the License for the specific language governing permissions and
// * limitations under the License.
// */
//package com.alibaba.csp.sentinel.demo.spring.webmvc.config;
//
//import com.alibaba.csp.sentinel.adapter.spring.webmvc.SentinelWebInterceptor;
//import com.alibaba.csp.sentinel.adapter.spring.webmvc.SentinelWebTotalInterceptor;
//import com.alibaba.csp.sentinel.adapter.spring.webmvc.callback.DefaultBlockExceptionHandler;
//import com.alibaba.csp.sentinel.adapter.spring.webmvc.config.SentinelWebMvcConfig;
//import com.alibaba.csp.sentinel.adapter.spring.webmvc.config.SentinelWebMvcTotalConfig;
//
//import org.springframework.context.annotation.Configuration;
//import org.springframework.web.servlet.config.annotation.InterceptorRegistry;
//import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
//
///**
// * Config sentinel interceptor
// *
// * @author kaizi2009
// */
//@Configuration
//public class InterceptorConfig implements WebMvcConfigurer {
//
//    @Override
//    public void addInterceptors(InterceptorRegistry registry) {
//        // Add Sentinel interceptor
//        addSpringMvcInterceptor(registry);
//    }
//
//    private void addSpringMvcInterceptor(InterceptorRegistry registry) {
//        SentinelWebMvcConfig config = new SentinelWebMvcConfig();
//
//        // Depending on your situation, you can choose to process the BlockException via
//        // the BlockExceptionHandler or throw it directly, then handle it
//        // in Spring web global exception handler.
//
//        // config.setBlockExceptionHandler((request, response, e) -> { throw e; });
//
//        // Use the default handler.
//        config.setBlockExceptionHandler(new DefaultBlockExceptionHandler());
//
//        // Custom configuration if necessary
//        config.setHttpMethodSpecify(true);
//        // By default web context is true, means that unify web context(i.e. use the default context name),
//        // in most scenarios that's enough, and it could reduce the memory footprint.
//        // If set it to false, entrance contexts will be separated by different URLs,
//        // which is useful to support "chain" relation flow strategy.
//        // We can change it and view different result in `Resource Chain` menu of dashboard.
//        config.setWebContextUnify(true);
//        config.setOriginParser(request -> request.getHeader("S-user"));
//
//        // Add sentinel interceptor
////        registry.addInterceptor(new SentinelWebInterceptor(config)).addPathPatterns("/**");
//        addSpringMvcTotalInterceptor(registry);
//    }
//
//    private void addSpringMvcTotalInterceptor(InterceptorRegistry registry) {
//        //Config
//        SentinelWebMvcTotalConfig config = new SentinelWebMvcTotalConfig();
//
//        //Custom configuration if necessary
//        config.setRequestAttributeName("my_sentinel_spring_mvc_total_entity_container");
//        config.setTotalResourceName("my-spring-mvc-total-url-request");
//
//        //Add sentinel interceptor
//        registry.addInterceptor(new SentinelWebTotalInterceptor(config)).addPathPatterns("/**");
//    }
//}
